/* * File dumping utility * * Copyright 2001,2007 Eric Pouech * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include "wine/port.h" #include <stdlib.h> #include <stdarg.h> #include <stdio.h> #ifdef HAVE_UNISTD_H # include <unistd.h> #endif #include <time.h> #ifdef HAVE_SYS_TYPES_H # include <sys/types.h> #endif #ifdef HAVE_SYS_STAT_H # include <sys/stat.h> #endif #ifdef HAVE_SYS_MMAN_H #include <sys/mman.h> #endif #include <fcntl.h> #define NONAMELESSUNION #define NONAMELESSSTRUCT #include "windef.h" #include "winbase.h" #include "winedump.h" static void* dump_base; static unsigned long dump_total_len; void dump_data( const unsigned char *ptr, unsigned int size, const char *prefix ) { unsigned int i, j; printf( "%s%08x: ", prefix, 0 ); if (!ptr) { printf("NULL\n"); return; } for (i = 0; i < size; i++) { printf( "%02x%c", ptr[i], (i % 16 == 7) ? '-' : ' ' ); if ((i % 16) == 15) { printf( " " ); for (j = 0; j < 16; j++) printf( "%c", isprint(ptr[i-15+j]) ? ptr[i-15+j] : '.' ); if (i < size-1) printf( "\n%s%08x: ", prefix, i + 1 ); } } if (i % 16) { printf( "%*s ", 3 * (16-(i%16)), "" ); for (j = 0; j < i % 16; j++) printf( "%c", isprint(ptr[i-(i%16)+j]) ? ptr[i-(i%16)+j] : '.' ); } printf( "\n" ); } static char* dump_want_n(unsigned sz) { static char buffer[4 * 1024]; static unsigned idx; char* ret; assert(sz < sizeof(buffer)); if (idx + sz >= sizeof(buffer)) idx = 0; ret = &buffer[idx]; idx += sz; return ret; } const char *get_time_str(unsigned long _t) { const time_t t = (const time_t)_t; const char *str = ctime(&t); size_t len; char* buf; if (!str) return "not valid time"; len = strlen(str); /* FIXME: I don't get the same values from MS' pedump running under Wine... * I wonder if Wine isn't broken wrt to GMT settings... */ if (len && str[len-1] == '\n') len--; buf = dump_want_n(len + 1); if (buf) { memcpy( buf, str, len ); buf[len] = 0; } return buf; } unsigned int strlenW( const WCHAR *str ) { const WCHAR *s = str; while (*s) s++; return s - str; } void dump_unicode_str( const WCHAR *str, int len ) { if (len == -1) len = strlenW( str ); printf( "L\""); while (len-- > 0 && *str) { WCHAR c = *str++; switch (c) { case '\n': printf( "\\n" ); break; case '\r': printf( "\\r" ); break; case '\t': printf( "\\t" ); break; case '"': printf( "\\\"" ); break; case '\\': printf( "\\\\" ); break; default: if (c >= ' ' && c <= 126) putchar(c); else printf( "\\u%04x",c); } } printf( "\"" ); } const char* get_symbol_str(const char* symname) { char* tmp; const char* ret; if (!symname) return "(nil)"; if (globals.do_demangle) { parsed_symbol symbol; symbol_init(&symbol, symname); if (symbol_demangle(&symbol) == -1) ret = symname; else if (symbol.flags & SYM_DATA) { ret = tmp = dump_want_n(strlen(symbol.arg_text[0]) + 1); if (tmp) strcpy(tmp, symbol.arg_text[0]); } else { unsigned int i, len, start = symbol.flags & SYM_THISCALL ? 1 : 0; len = strlen(symbol.return_text) + 3 /* ' __' */ + strlen(symbol_get_call_convention(&symbol)) + 1 /* ' ' */+ strlen(symbol.function_name) + 1 /* ')' */; if (!symbol.argc || (symbol.argc == 1 && symbol.flags & SYM_THISCALL)) len += 4 /* "void" */; else for (i = start; i < symbol.argc; i++) len += (i > start ? 2 /* ", " */ : 0 /* "" */) + strlen(symbol.arg_text[i]); if (symbol.varargs) len += 5 /* ", ..." */; len += 2; /* ")\0" */ ret = tmp = dump_want_n(len); if (tmp) { sprintf(tmp, "%s __%s %s(", symbol.return_text, symbol_get_call_convention(&symbol), symbol.function_name); if (!symbol.argc || (symbol.argc == 1 && symbol.flags & SYM_THISCALL)) strcat(tmp, "void"); else for (i = start; i < symbol.argc; i++) { if (i > start) strcat(tmp, ", "); strcat(tmp, symbol.arg_text[i]); } if (symbol.varargs) strcat(tmp, ", ..."); strcat(tmp, ")"); } } symbol_clear(&symbol); } else ret = symname; return ret; } const char* get_guid_str(const GUID* guid) { char* str; str = dump_want_n(39); if (str) sprintf(str, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}", guid->Data1, guid->Data2, guid->Data3, guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3], guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]); return str; } const void* PRD(unsigned long prd, unsigned long len) { return (prd + len > dump_total_len) ? NULL : (const char*)dump_base + prd; } unsigned long Offset(const void* ptr) { if (ptr < dump_base) {printf("<<<<<ptr below\n");return 0;} if ((const char *)ptr >= (const char*)dump_base + dump_total_len) {printf("<<<<<ptr above\n");return 0;} return (const char *)ptr - (const char *)dump_base; } static const struct dumper { enum FileSig kind; enum FileSig (*get_kind)(void); file_dumper dumper; /* default dump tool */ } dumpers[] = { {SIG_DOS, get_kind_exec, dos_dump}, {SIG_PE, get_kind_exec, pe_dump}, {SIG_DBG, get_kind_dbg, dbg_dump}, {SIG_PDB, get_kind_pdb, pdb_dump}, {SIG_NE, get_kind_exec, ne_dump}, {SIG_LE, get_kind_exec, le_dump}, {SIG_COFFLIB, get_kind_lib, lib_dump}, {SIG_MDMP, get_kind_mdmp, mdmp_dump}, {SIG_LNK, get_kind_lnk, lnk_dump}, {SIG_EMF, get_kind_emf, emf_dump}, {SIG_UNKNOWN, NULL, NULL} /* sentinel */ }; int dump_analysis(const char *name, file_dumper fn, enum FileSig wanted_sig) { int fd; int ret = 1; struct stat s; const struct dumper *dpr; setbuf(stdout, NULL); fd = open(name, O_RDONLY | O_BINARY); if (fd == -1) fatal("Can't open file"); if (fstat(fd, &s) < 0) fatal("Can't get size"); dump_total_len = s.st_size; #ifdef HAVE_MMAP if ((dump_base = mmap(NULL, dump_total_len, PROT_READ, MAP_PRIVATE, fd, 0)) == (void *)-1) #endif { if (!(dump_base = malloc( dump_total_len ))) fatal( "Out of memory" ); if ((unsigned long)read( fd, dump_base, dump_total_len ) != dump_total_len) fatal( "Cannot read file" ); } printf("Contents of %s: %ld bytes\n\n", name, dump_total_len); for (dpr = dumpers; dpr->kind != SIG_UNKNOWN; dpr++) { if (dpr->get_kind() == dpr->kind && (wanted_sig == SIG_UNKNOWN || wanted_sig == dpr->kind)) { if (fn) fn(); else dpr->dumper(); break; } } if (dpr->kind == SIG_UNKNOWN) { printf("Can't get a suitable file signature, aborting\n"); ret = 0; } if (ret) printf("Done dumping %s\n", name); #ifdef HAVE_MMAP if (munmap(dump_base, dump_total_len) == -1) #endif { free( dump_base ); } close(fd); return ret; } void dump_file(const char* name) { dump_analysis(name, NULL, SIG_UNKNOWN); }